///*
// * ====================================================================
// *
// *  Licensed to the Apache Software Foundation (ASF) under one or more
// *  contributor license agreements.  See the NOTICE file distributed with
// *  this work for additional information regarding copyright ownership.
// *  The ASF licenses this file to You under the Apache License, Version 2.0
// *  (the "License"); you may not use this file except in compliance with
// *  the License.  You may obtain a copy of the License at
// *
// *      http://www.apache.org/licenses/LICENSE-2.0
// *
// *  Unless required by applicable law or agreed to in writing, software
// *  distributed under the License is distributed on an "AS IS" BASIS,
// *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// *  See the License for the specific language governing permissions and
// *  limitations under the License.
// * ====================================================================
// *
// * This software consists of voluntary contributions made by many
// * individuals on behalf of the Apache Software Foundation.  For more
// * information on the Apache Software Foundation, please see
// * <http://www.apache.org/>.
// */
//
//package core.tool.httpconection.examples.client;
//
//import java.io.BufferedReader;
//import java.io.InputStreamReader;
//
//import org.apache.http.HttpEntity;
//import org.apache.http.HttpHost;
//import org.apache.http.HttpResponse;
//import org.apache.http.HttpStatus;
//import org.apache.http.auth.AuthScheme;
//import org.apache.http.auth.AuthScope;
//import org.apache.http.auth.AuthState;
//import org.apache.http.auth.Credentials;
//import org.apache.http.auth.UsernamePasswordCredentials;
//import org.apache.http.client.methods.HttpGet;
//import org.apache.http.client.protocol.ClientContext;
//import org.apache.http.impl.client.DefaultHttpClient;
//import org.apache.http.protocol.BasicHttpContext;
//import org.apache.http.protocol.ExecutionContext;
//import org.apache.http.protocol.HttpContext;
//import org.apache.http.util.EntityUtils;
//
///**
// * A simple example that uses HttpClient to execute an HTTP request against
// * a target site that requires user authentication.
// */
//public class ClientInteractiveAuthentication {
//
//    public static void main(String[] args) throws Exception {
//        DefaultHttpClient httpclient = new DefaultHttpClient();
//        try {
//            // Create local execution context
//            HttpContext localContext = new BasicHttpContext();
//
//            HttpGet httpget = new HttpGet("http://localhost/test");
//
//            boolean trying = true;
//            while (trying) {
//                System.out.println("executing request " + httpget.getRequestLine());
//                HttpResponse response = httpclient.execute(httpget, localContext);
//
//                System.out.println("----------------------------------------");
//                System.out.println(response.getStatusLine());
//
//                // Consume response content
//                HttpEntity entity = response.getEntity();
//                EntityUtils.consume(entity);
//
//                int sc = response.getStatusLine().getStatusCode();
//
//                AuthState authState = null;
//                HttpHost authhost = null;
//                if (sc == HttpStatus.SC_UNAUTHORIZED) {
//                    // Target host authentication required
//                    authState = (AuthState) localContext.getAttribute(ClientContext.TARGET_AUTH_STATE);
//                    authhost = (HttpHost) localContext.getAttribute(ExecutionContext.HTTP_TARGET_HOST);
//                }
//                if (sc == HttpStatus.SC_PROXY_AUTHENTICATION_REQUIRED) {
//                    // Proxy authentication required
//                    authState = (AuthState) localContext.getAttribute(ClientContext.PROXY_AUTH_STATE);
//                    authhost = (HttpHost) localContext.getAttribute(ExecutionContext.HTTP_PROXY_HOST);
//                }
//
//                if (authState != null) {
//                    System.out.println("----------------------------------------");
//                    AuthScheme authscheme = authState.getAuthScheme();
//                    System.out.println("Please provide credentials for " +
//                            authscheme.getRealm() + "@" + authhost.toHostString());
//
//                    BufferedReader console = new BufferedReader(new InputStreamReader(System.in));
//
//                    System.out.print("Enter username: ");
//                    String user = console.readLine();
//                    System.out.print("Enter password: ");
//                    String password = console.readLine();
//
//                    if (user != null && user.length() > 0) {
//                        Credentials creds = new UsernamePasswordCredentials(user, password);
//                        httpclient.getCredentialsProvider().setCredentials(new AuthScope(authhost), creds);
//                        trying = true;
//                    } else {
//                        trying = false;
//                    }
//                } else {
//                    trying = false;
//                }
//            }
//
//        } finally {
//            // When HttpClient instance is no longer needed,
//            // shut down the connection manager to ensure
//            // immediate deallocation of all system resources
//            httpclient.getConnectionManager().shutdown();
//        }
//    }
//}
